CN1248188C - 电磁声音发生装置 - Google Patents

电磁声音发生装置 Download PDF

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Publication number
CN1248188C
CN1248188C CNB021073058A CN02107305A CN1248188C CN 1248188 C CN1248188 C CN 1248188C CN B021073058 A CNB021073058 A CN B021073058A CN 02107305 A CN02107305 A CN 02107305A CN 1248188 C CN1248188 C CN 1248188C
Authority
CN
China
Prior art keywords
yoke
permanent magnet
lower house
coil
generating apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB021073058A
Other languages
English (en)
Chinese (zh)
Other versions
CN1379389A (zh
Inventor
桑原睦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Electronics Co Ltd
Original Assignee
Citizen Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Electronics Co Ltd filed Critical Citizen Electronics Co Ltd
Publication of CN1379389A publication Critical patent/CN1379389A/zh
Application granted granted Critical
Publication of CN1248188C publication Critical patent/CN1248188C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/06—Telephone receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • H04R13/02—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electromagnets (AREA)
CNB021073058A 2001-03-12 2002-03-12 电磁声音发生装置 Expired - Fee Related CN1248188C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP069513/01 2001-03-12
JP2001069513A JP2002271895A (ja) 2001-03-12 2001-03-12 電磁発音体用磁石

Publications (2)

Publication Number Publication Date
CN1379389A CN1379389A (zh) 2002-11-13
CN1248188C true CN1248188C (zh) 2006-03-29

Family

ID=18927540

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB021073058A Expired - Fee Related CN1248188C (zh) 2001-03-12 2002-03-12 电磁声音发生装置

Country Status (6)

Country Link
US (1) US7062062B2 (ko)
EP (1) EP1241920A2 (ko)
JP (1) JP2002271895A (ko)
KR (1) KR100457705B1 (ko)
CN (1) CN1248188C (ko)
TW (1) TW561790B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1930907B (zh) * 2004-03-05 2012-11-14 株式会社坦姆科日本 骨传导装置
EP2463732B1 (fr) * 2010-12-10 2016-03-30 Montres Breguet SA Mécanisme de sonnerie d'une montre ou d'une boîte à musique
CH708095B1 (fr) * 2013-05-28 2021-05-14 Montres Breguet Sa Mécanisme de sonnerie muni de moyens de sélection de mode vibratoire d'un timbre.
CN103686525A (zh) * 2013-11-29 2014-03-26 谢虹 一种蓝牙音箱
CN107222816B (zh) * 2017-06-27 2023-08-04 歌尔股份有限公司 发声装置模组

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3224690B2 (ja) * 1994-06-16 2001-11-05 スター精密株式会社 電気音響変換器の製造方法
KR0140277B1 (ko) 1995-07-14 1998-07-01 손명원 대형차량의 토오크 로드 부싱 결합장치
JP4276315B2 (ja) * 1998-11-17 2009-06-10 シチズン電子株式会社 電磁型発音体
JP2000202036A (ja) 1999-01-19 2000-07-25 Seiko Precision Inc 磁気治療器
JP2000208321A (ja) * 1999-01-19 2000-07-28 Seiko Precision Inc プラスチック磁石成形体
KR100354376B1 (ko) 1999-12-08 2002-09-28 에스텍 주식회사 진동 발생과 음향 발생의 겸용 장치를 구비하는 스피커
US6654478B2 (en) * 2000-12-15 2003-11-25 Star Micronics Co., Ltd. Electroacoustic transducer

Also Published As

Publication number Publication date
EP1241920A2 (en) 2002-09-18
KR100457705B1 (ko) 2004-11-18
US7062062B2 (en) 2006-06-13
CN1379389A (zh) 2002-11-13
US20020126868A1 (en) 2002-09-12
TW561790B (en) 2003-11-11
KR20020072778A (ko) 2002-09-18
JP2002271895A (ja) 2002-09-20

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060329

Termination date: 20100312